Hi! > > No, it is because USB enabled prevents cpu from sleeping; it is > > actually well known. > > I vaguely recall hearing the why. It has some DMAs which are going on > and I suppose the processor must service the completions. > Now, if you coordinated with the USB device some how, you could try > > and If I coordinated with USB device somehow, I'd know when it is possible to shutoff usb bus. This can be done locally at usb driver, no need for big framework. Just someone needs to write that code. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
